D♭add9 (D♭ add 9): D♭ F A♭ E♭. Formula 1 3 5 9. A major triad with an added 9th and no 7th: bright and shimmering, everywhere in pop and rock guitar.

Made of4

Notes4

Contains & part of28

Scales that contain it26

Extensions2

Inversions4

  • D♭add9

    Root position · D♭ F A♭ E♭

  • D♭add9/F

    1st inversion · F A♭ E♭ D♭

  • D♭add9/A♭

    2nd inversion · A♭ E♭ D♭ F

  • D♭add9/E♭

    3rd inversion · E♭ D♭ F A♭

Relatives3

Type1

Genres that use it2

Where it goes7

One small move away6

Its dominant1